density_matrix() [2/2]

template<typename T >

template<class Matrix >

void cntr::herm_matrix_timestep_view< T >::density_matrix	(	int	tstp,
		Matrix &	M
	)

Return single particle density matrix as Eigen matrix from herm_matrix_timestep_view.

Purpose

Return single particle density matrix as Eigen matrix from herm_matrix_timestep_view Works for scalar or square-matrix contour objects.

Parameters

tstp	timestep index
M	[Matrix] Eigen matrix representation of the density matrix

Definition at line 2126 of file cntr_herm_matrix_timestep_view_impl.hpp.

                                                                     {
    assert(tstp == tstp_);

    CPLX *x;
    if (tstp == -1) {
        x = matptr(ntau_);
        herm_matrix_READ_ELEMENT M *= (-1.0);
    } else {
        x = lesptr(tstp);
        herm_matrix_READ_ELEMENT M *= CPLX(0.0, 1.0 * sig_);
    }
}